Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Meggan Kathleen Lazzaroni, APSW
Social Worker in Lake Geneva, WI · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1104649243
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Registry record
Entity type Individual (Type 1)
Name Meggan Kathleen Lazzaroni
Credential APSW
Sex Female
Practice address 647 W Main St Ste 700, Lake Geneva, WI, 53147
Phone (262) 729-3143
Enumeration date Nov 6, 2024
Last updated in NPPES Nov 10, 2025
Taxonomy & licenses
104100000X Social Worker Behavioral Health & Social Service Providers · License 135593-121 (WI) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Meggan Lazzaroni practice?
The practice location on file with NPPES is in Lake Geneva, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Meggan Lazzaroni?
The National Provider Identifier (NPI) for Meggan Lazzaroni is 1104649243, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-10.